Electronics > Repair
Help identify part
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naujoks:
I have a Panasonic KX-T3910 telephone from around 1988 that has a blown transistor.
Unfortunately the part description was partially destroyed by burning out. It starts with D199.
The schematics I found are quite blurry and also don't list the name. The transistor sits in the power regulation section. It's Q8 in the schematic
The phone gets 12V at DC in.
Can anyone tell me with this information, which kind of replacement I could get for this part?
wraper:
Should be 2SD199x, like 2SD1994, 2SD1993...
naujoks:
Is there a modern equivalent for it?
wraper:
Something like BC547 should work, although it has different pin order like the vast majority of BJT these days. Also I don't think it's Q8 in schematic which is PNP. 2SD... (which it certainly is) are NPN.
naujoks:
Yes, I think that might be right. The phone I have is actually KX t3910h.
If I try out a BC547 but put it in in the wrong orientation, will it blow up the phone or the transistor?
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